4-氧代-4H-色烯-2-羧酸乙酯

4-氧代-4H-色烯-2-羧酸乙酯 基本信息
CAS号 14736-31-3 分子式 C12H10O4
分子量 218.20500 精确质量  218.05800
PSA  56.51000 LogP  1.96970

基本信息 展开↓

CAS号:
14736-31-3
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分子式:
C12H10O4
分子量:
218.20500
中文名称:
4-氧代-4H-色烯-2-羧酸乙酯
英文名称:
ethyl 4-oxochromene-2-carboxylate
中文别名:
4-氧代-4H-色烯-2-羧酸乙酯;
4-氧代-4H-1-苯并吡喃-2-甲酸乙酯
英文别名:
ethyl 4-oxochromene-2-carboxylate;
ethyl 4-oxochromen-2-carboxylate;
4H-1-BENZOPYRAN-2-CARBOXYLIC ACID,4-OXO-,ETHYL ESTER;
ethyl 4-oxo-4H-chromene-2-carboxylate;
4-Oxo-4H-chromen-2-carbonsaeure-aethylester;
Chromone-2-carboxylic acid ethyl ester;
Ethyl 4-oxo-4H-1-benzopyran-2-carboxylate;
ethyl chromone-2-carboxylate;
4-oxo-4H-chromene-2-carboxylic acid ethyl ester;
2-ethyloxycarbonyl-chromone
精确分子量/精确质量:
218.05800
极性分子表面积/PSA:
56.51000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
EINECS:
238-797-4
InChI:
The Key: CJVFJZNWXDFXHF-UHFFFAOYSA-N

物化性质展开↓

密度:
1.289g/cm3
熔点:
73-75℃
沸点:
325ºC at 760 mmHg
闪点:
143.2ºC
折射率:
1.567
蒸汽压:
0.000237mmHg at 25°C

安全信息展开↓

海关代码:
2918300090

合成路线查看所有的合成路线

  • 4940-39-0

    色酮-2-甲酸

  • +

  • 64-17-5

    乙醇

  • ~89%

  • 14736-31-3

    4-氧代-4H-色烯-2-羧酸乙酯

  • 60-29-7

    乙醚

  • +

  • 582-24-1

    2-羟基苯乙酮

  • +

  • 95-92-1

    乙二酸二乙酯

  • ~84%

  • 14736-31-3

    4-氧代-4H-色烯-2-羧酸乙酯

  • 65950-31-4

    ethyl 2-hydroxy-4-oxochroman-2-carboxylate

  • ~30%

  • 14736-31-3

    4-氧代-4H-色烯-2-羧酸乙酯

毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2501200
CHEMICAL NAME :
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, ethyl ester
CAS REGISTRY NUMBER :
14736-31-3
BEILSTEIN REFERENCE NO. :
0178173
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C12-H10-O4
MOLECULAR WEIGHT :
218.22
WISWESSER LINE NOTATION :
T66 BO EVJ CVO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 15,865,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 71,686,1951

海关数据查看详细

中国海关编码:2918300090

概述:
2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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